I love it. We begin with the HPV -- retri retrial. They planted drugs in the car for the way they treated their son. Cecilia Vega with the story this morning. Reporter: You're looking at a pta volunteer in tears on the stand in a southern California courtroom describing the moment police found a stash of drugs in her car. Kelli Peters coming face to face with the man accused of framing her by planting those drugs in a twisted plot of revenge. The school worker so upset the trial had to be cut short for the day. Authorities say this man Kent Easter allegedly tried to frame Peters, a pta mom at his son's school by planting drugs in her car then calling the police on her. Irvine police. I am concerned that one of the parent volunteers may be under the influence or use of drugs. Reporter: Prosecutors say these 911 calls were made by Easter because he didn't like the way she treated his son at school. Yeah, it looked like she had some pills or something. Reporter: In 2011 police detained her for two hours and searched her home for more drugs finding nothing more. Photos of those drugs shown in court Thursday. This is Easter's second trial in the case. The first jury deadlocking in November 11-1 in favor of convicting Easter. He is now facing charges of false imprisonment by fraud or deceit. His wife, Jill Easter pleaded guilty last year to false imprisonment and was sentenced to 120 days in jail. In opening statements Easter's lawyer said it was his wife Jill who planted the drugs telling the jury, Jill was the operator behind the incident. If convicted, Kent Easter faces three years in prison. The trial continues next week with Peters back on the stand. For "Good morning America," Cecilia Vega, ABC news, San Francisco.

This transcript has been automatically generated and may not be 100% accurate.

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